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Universal Baxter TQ-relations for open boundary quantum integrable systems. (English) Zbl 1509.82034

Summary: Based on properties of the universal R-matrix, we derive universal Baxter TQ-relations for quantum integrable systems with (diagonal) open boundaries associated with \(U_q( \widehat{sl_2})\). The Baxter TQ-relations for the open XXZ-spin chain are images of these universal Baxter TQ-relations.

MSC:

82B20 Lattice systems (Ising, dimer, Potts, etc.) and systems on graphs arising in equilibrium statistical mechanics
81R12 Groups and algebras in quantum theory and relations with integrable systems
16T25 Yang-Baxter equations

References:

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